Originally Posted by shauner111
I don't think he was saying they invented anything. He was saying Batman needed to have a different voice from Bruce entirely. Usually Keaton or Conroy or whoever will just lower their voice but it still sounds like Bruce...at least to me it does. Bale went the extra mile to make sure the voice was deepened more, to the point where you could never tell who it was.
That's what I got from that.
When in the bat-cave with Vicky (B89), Batman's voice sounded nothing like Bruce's. But it wasn't so overdone it sounded like throat cancer either, thank God.
This idea of the voice changing has been there for decades before Nolan came to scene.